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ELEN [110]
3 years ago
11

ANSWER QUICK GIVING BRAINIEST!

Mathematics
1 answer:
Alenkinab [10]3 years ago
8 0

Answer: yes because you wouldn’t be able to multiply them and they wouldn’t bothe be fractions.

Step-by-step explanation:

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The angle of elevation to the top of a water tower from point A on the ground is 19.9°. From point B, 50.0 feet closer to the to
zepelin [54]

Answer:

Answer in terms of a trigonometric function :

h = \frac{20tan(19.9)}{0.4-tan(19.9)}

Answer in figures

h = 190.5 feet

Step-by-step explanation:

Consider the sketch attached below to better understand the problem.

Let x be the distance between point B and the base of the water tower.

tan (19.9)=\frac{h}{50+x} ---------------equation 1\\

tan (21.8)=\frac{h}{x}----------------equation 2

From equation 2,

x =\frac{h}{tan21.8}=\frac{h}{0.4}

substituting the value of x into equation 1, we get

tan (19.9)=\frac{h}{50+(\frac{h}{0.4} )}

tan 19.9=h\times \frac{0.4}{20+h}

cross multiplying,

20\times tan(19.9) +htan(19.9)=0.4h

20tan(19.9)= h(0.4-tan(19.9))

h= \frac{20tan (19.9)}{0.4-tan (19.9)}

The height of the tower is h= \frac{20tan (19.9)}{0.4-tan (19.9)} in terms of the trig function "Tan"

The equation can simply be evaluated to get the answer in figures since the angles are given in the question

5 0
4 years ago
Simplify -4 1/4 - (-9 1/2)
Andreas93 [3]
The answer is D) 5 1/4.
7 0
4 years ago
Read 2 more answers
Millie works 8 hours on Saturday and earns £6.50 an hour. She spends £2.75 on bus fares travelling to work and £4.25 on her lunc
Fudgin [204]
I think it is 42 because 2.75 + 4.25 is 7 x 6= 42
3 0
3 years ago
HELP!!! ASAP!! NUMBER 18!!!!
musickatia [10]

Answer:

AB equals 13 and DE equals 7.

Step-by-step explanation:

In a parallelogram, the opposite sides are equivalent, so AB will equal CD which equals 13. Based on this rule, you can infer that BC = AE + ED. Since BC equals 23 and AE equals 16, ED would be 7.

6 0
3 years ago
Help me please. Thank you in advance ​
Dmitriy789 [7]
Your answer is going to be roughly 9.3327
3 0
3 years ago
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